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Chemical name: 1,2,3-Trihydroxybenzene
Molecular form: C6H3(OH)3
Molecular weight:126.11
Appearance:white glossy crystal powder.
specific density:131 ℃～ 133 ℃
Solubility:Easily soluble in water. Water solubility : 40 （ 13 ℃） 62.5 （ 25 ℃） soluble in alcohol and aether and insoluble in carbon bisulfide, benzene and others.
Combustion heat:638.7 calories /kg
Oxygen absorbed:245 ～ 246cm3 O 2 /g
Executive standard:PYROGALLIC ACID Q/BCC002-2010
Conform to the American " Chemical reagent standards" and the Japanese National Standard K8780 for reagent
Specification:
| Index name | Analytical reagen( A.R ) | Chemically pure reagent( C.P ) | Industrial grade |
| Purity | 99.9%min | 99.5%min | 99.0%min |
| Melting point range | 131.5 ~ 134℃ | 131 ~ 135℃ | 130 ~ 136℃ |
| Water solubility | Clear and transparent | Clear and transparent | Insoluble matter0.1%max |
| Ignition residue | 0.025%max | 0.05%max | 0.1%max |
| Chloride (CL) | 0.001%max | 0.002%max | ------ |
| Sulfate (SO4 ) | 0.010%max | 0.010%max | ------ |
| Heavy metal(Pb) | 0.0005%max | 0.0005%max | ------ |
| Sulphate(SO4-) | ---- | 0.01% | 0.02% |
| Chloride(CL-) | ---- | 0.01% | 0.02% |
Application :As chemical reagent and medical intermediates; widely used in fine chemicals, new-type photosensitive material, food preserving, new medicine for heart and mental diseases, tumor, senile dementia and mental disorder, textiles printing and dyeing, light industry, color printing and plate making, microelectronic industry, rare metal analysis, gasometric analysis and film developing. It has great potential market.
Packing:In 25 kg /paperboard drum with two-layer plastic inner bag.
Storage:Avoid moisture and light; sealed in storage.
